211323040023 has 8 divisors (see below), whose sum is σ = 281767556736. Its totient is φ = 140880275000.

The previous prime is 211323040007. The next prime is 211323040067. The reversal of 211323040023 is 320040323112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211323040023 - 2⁴ = 211323040007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211323045023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124353 + ... + 661898.

It is an arithmetic number, because the mean of its divisors is an integer number (35220944592).

Almost surely, 2^211323040023 is an apocalyptic number.

211323040023 is a deficient number, since it is larger than the sum of its proper divisors (70444516713).

211323040023 is an equidigital number, since it uses as much as digits as its factorization.

211323040023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875845.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 211323040023 its reverse (320040323112), we get a palindrome (531363363135).

The spelling of 211323040023 in words is "two hundred eleven billion, three hundred twenty-three million, forty thousand, twenty-three".